summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--Documentation/sysrq.txt44
1 files changed, 22 insertions, 22 deletions
diff --git a/Documentation/sysrq.txt b/Documentation/sysrq.txt
index 61613166981b..452c0f152304 100644
--- a/Documentation/sysrq.txt
+++ b/Documentation/sysrq.txt
@@ -64,11 +64,6 @@ On all - write a character to /proc/sysrq-trigger. e.g.:
* What are the 'command' keys?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-'r' - Turns off keyboard raw mode and sets it to XLATE.
-
-'k' - Secure Access Key (SAK) Kills all programs on the current virtual
- console. NOTE: See important comments below in SAK section.
-
'b' - Will immediately reboot the system without syncing or unmounting
your disks.
@@ -76,21 +71,37 @@ On all - write a character to /proc/sysrq-trigger. e.g.:
'd' - Shows all locks that are held.
-'o' - Will shut your system off (if configured and supported).
+'e' - Send a SIGTERM to all processes, except for init.
-'s' - Will attempt to sync all mounted filesystems.
+'f' - Will call oom_kill to kill a memory hog process.
-'u' - Will attempt to remount all mounted filesystems read-only.
+'g' - Used by kgdb on ppc platforms.
-'p' - Will dump the current registers and flags to your console.
+'h' - Will display help (actually any other key than those listed
+ above will display help. but 'h' is easy to remember :-)
-'t' - Will dump a list of current tasks and their information to your
- console.
+'i' - Send a SIGKILL to all processes, except for init.
+
+'k' - Secure Access Key (SAK) Kills all programs on the current virtual
+ console. NOTE: See important comments below in SAK section.
'm' - Will dump current memory info to your console.
'n' - Used to make RT tasks nice-able
+'o' - Will shut your system off (if configured and supported).
+
+'p' - Will dump the current registers and flags to your console.
+
+'r' - Turns off keyboard raw mode and sets it to XLATE.
+
+'s' - Will attempt to sync all mounted filesystems.
+
+'t' - Will dump a list of current tasks and their information to your
+ console.
+
+'u' - Will attempt to remount all mounted filesystems read-only.
+
'v' - Dumps Voyager SMP processor info to your console.
'w' - Dumps tasks that are in uninterruptable (blocked) state.
@@ -102,17 +113,6 @@ On all - write a character to /proc/sysrq-trigger. e.g.:
it so that only emergency messages like PANICs or OOPSes would
make it to your console.)
-'f' - Will call oom_kill to kill a memory hog process.
-
-'e' - Send a SIGTERM to all processes, except for init.
-
-'g' - Used by kgdb on ppc platforms.
-
-'i' - Send a SIGKILL to all processes, except for init.
-
-'h' - Will display help (actually any other key than those listed
- above will display help. but 'h' is easy to remember :-)
-
* Okay, so what can I use them for?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Well, un'R'aw is very handy when your X server or a svgalib program crashes.